Table 2

Results of histological parameter analysis for idiopathic granulomatous mastitis and tuberculous mastitis

Histological parameterScore, n (%)
0123p Value
IGMTBMIGMTBMIGMTBMIGMTBM
Epithelioid histiocytes0 (0)0 (0)6 (18)4 (14)17 (52)21 (72)10 (30)4 (14)0.45
Lymphocytes0 (0)0 (0)1 (3)4 (14)18 (55)18 (62)14 (42)7 (24)0.06
Neutrophils2 (6)0 (0)7 (21)12 (41)17 (52)13 (45)7 (21)4 (14)0.43
Eosinophils21 (64)3 (10)9 (27)21 (72)2 (6)4 (14)1 (3)1 (4)<0.01
Plasma cells0 (0)0 (0)9 (27)14 (48)12 (36)14 (48)12 (37)1 (4)<0.01
Granuloma, vague11 (33)11 (38)20 (61)17 (59)1 (3)1 (3)1 (3)0 (0)0.51
Granuloma, well-formed20 (61)18 (62)11 (33)10 (34)1 (3)0 (0)1 (3)1 (4)0.84
Giant cells, Langhans type22 (67)20 (68)10 (30)7 (24)0 (0)1 (4)1 (3)1 (4)0.91
Giant cells, non-Langhans type23 (70)19 (66)6 (18)3 (10)3 (9)6 (20)1 (3)1 (4)0.45
Fibrosis11 (33)4 (14)17 (52)12 (41)3 (9)11 (38)2 (6)2 (7)0.02
AbsentPresent
Necrosis31 (94)17 (59)2 (6)12 (41)<0.01
Calcification33 (100)28 (97)0 (0)1 (3)0.29
  • IGM, idiopathic granulomatous mastitis; TBM, tuberculous mastitis.